Adjusting The Thread Tension; Mechanical Adjustments To The Thread Tension; Calibrating - Duerkopp Adler 910 Service Instructions Manual

4.3 Adjusting the thread tension

4.3.1

Mechanical adjustments to the thread tension

4 3
4.3.2

Calibrating

2 1
–
Loosen locknut 2.
–
Select "Kali.3" in the "thread tension" sub-menu.
–
Turn washer 3 right until stop.
–
Lightly turn locknut 2 back.
–
Select "Kali.1" in the "thread tension" sub-menu.
–
Press the "OK" key to open the thread tension.
–
The thread tension should be set with light pressure, and opened
wide enough so that the largest type of thread can be pulled
between the tension discs unhindered.
–
Press the "OK" key to close the thread tension again, and verify
that the thread tension is again completely closed.
–
Thread in sewing thread 40 three times up to the thread lever.
–
Measure the tension with a thread scale.
–
Enter the value into the control.
–
Measure as described for calibration 2 and calibration 3, and enter
the values.
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3
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